Invoicing for entrepreneurs

Isolta is an easy-to-use and clear invoicing program.

  • No monthly fee with small invoice amounts.
  • Send and receive e-invoices.
  • Send e-invoices to businesses and consumers.

Start invoicing today.

No credit card. No commitments.

Simplifies your accounting

Reliable accounting


with over 20 years of experience

30 000+ customers

98 % of users recommend

No monthly subscription

for limited number of invoices

The easiest way to invoice

Quickly add the customer, products, and services from the register to the invoice. Your previous invoices are stored and can be used as templates for new invoices.

With Isolta, you create professional-looking invoices, that you can send either by paper or electronically.

Make a professional impression

You create stylish invoices. Calculation and legislation are automatically taken into account.

Save time

You can access the previously created invoices and use them as templates

Get your money faster

Deliver the invoice as your customer prefers and they will pay faster

No credit card. No commitments.

30 000+ customers

Online system rocks immediately after the first tests

Arttu Muukkonen
Suunnittelutoimisto Koskine & Muukkone Oy

Some of the best free software I have used

Henrik Tenhovirta
Elementti web-kehitys ja konsultointi

Creating an invoice has been enjoyable, easy and fast!

Tuomo Aura
Web-veistämö Oy

Free invoicing software — pay only when your business starts to thrive

Completely free if you send invoices only occasionally. Reasonably priced for small businesses.

Possible billing period:

Invoicing Create and send invoices effortlessly. Use different invoice templates and barcode.

Receivables Check from the invoice list if the invoice is past due, paid or unpaid.

Payment reminders Add late payment fees and penalty interest and send the reminder to your customer

Sales reports With the help of sales reports you are able to estimate how your business is doing. Send reports to your accountant too!

Customer management (CRM) Keep track of your customers' orders, communications and agreements.

Product Register Save products, services, hourly rates and add them to the invoice directly from the product register.

Quotes Create quotes, order confirmations and dispatch notes from invoice drafts.

Free customer support Do you have any questions or need help using Isolta? We will happily help you, for free.

Email and PDF-invoices per invoice sent Send the invoice directly from Isolta to your customer's email, or download it as a PDF file and print / send it separately.

E-invoice to a company per invoice sent Send the invoice as an e-invoice directly to your customer's purchase invoice system.

Printing service per invoice sent Send the invoice through our printing service, which will print and mail the invoice for you.


With 10 invoices per year you get Isolta and all of its features free of charge. When you run out of free invoices you can upgrade to the unlimited plan. E-invoices, printing service, checking payment defaults are services with additional transaction fee.

Earn more free invoices by recommending Isolta to others. If someone that you recommended Isolta to signs up for Isolta you both get 5 free more invoices to send.


/ Month





Pro version includes all the software features without restrictions. You can choose the invoicing period to be 1, 3 or 12 months. The subscription will be automatically renewed if you do not cancel the subscription before the next invoicing period starts.

E-invoicing, printing service, debt collection and checking payment defaults are services with additional transaction fee.


/ Month + VAT




Why is Isolta a free invoicing software?

No credit card. No commitments.

Backed by real people with awesome attitude

We have been working among entrepreneurs for over 15 years, and entrepreneurship is close to our hearts. Our duty is to ask, listen, and help – to develop the service according to your wishes.

Send your first invoice within minutes

Sign up for Isolta for free! No credit card needed. No commitments.
Have a look around or start invoicing right away.

No credit card. No commitments.